func New() *StdWeb {
rng := rand.New(rand.NewSource(time.Now().UnixNano()))
s := &StdWeb{
listeners: make(map[chan *Update]bool),
recentNodeUpdates: make(map[string]*timedNodeUpdate),
rng: rng,
runID: fmt.Sprintf("%v", rng.Int31()),
}
s.tree = core.NewTree("sw", s)
return s
}
func TestBasicNode(t *testing.T) {
pub := testutils.NewPublisher()
s := core.NewTree("test", pub).Slot()
s.Set("foobar")
n := s.Node()
if exp, got := "foobar", testutils.Render(n); exp != got {
t.Errorf("Expected %q, got %q", exp, got)
}
if pub.Last("test") != "foobar" {
t.Errorf("Expected update with content 'foobar'; published:\n%s", pub.Dump())
}
}
func TestCustomRenderer(t *testing.T) {
pub := testutils.NewPublisher()
s := core.NewTree("test", pub).Slot()
core.NewConst(s, "other")
n := s.Node()
if exp, got := "other", testutils.Render(n); exp != got {
t.Errorf("Expected %q, got %q", exp, got)
}
if pub.Last("test") != "other" {
t.Errorf("Expected update with content 'other'; published:\n%s", pub.Dump())
}
}
func TestPageRender(t *testing.T) {
s := core.NewTree("test", testutils.NewPublisher()).Slot()
page := NewPage(s)
page.SetTitle("footitle")
page.Body().Set("foobody")
page.CSS("bar").Set("foocss")
content := testutils.Render(s.Node())
for _, s := range []string{"footitle", "foobody", "foocss"} {
if !strings.Contains(content, s) {
t.Errorf("Rendered page should have contained %q; generated content:\n%s", s, content)
}
}
}
func TestSimpleTemplate(t *testing.T) {
pub := testutils.NewPublisher()
s := core.NewTree("test", pub).Slot()
tpl := MustParseTemplate("foo{{.Data}}bar").New(s)
if exp, got := "foobar", testutils.Render(s.Node()); exp != got {
t.Errorf("Expected %q, got %q", exp, got)
}
tpl.SetData(314)
if pub.Last("test") != "foo314bar" {
t.Errorf("Expected update with content 'foo314bar'; published:\n%s", pub.Dump())
}
if exp, got := "foo314bar", testutils.Render(s.Node()); exp != got {
t.Errorf("Expected %q, got %q", exp, got)
}
}
func TestNestedTemplate(t *testing.T) {
pub := testutils.NewPublisher()
s := core.NewTree("test", pub).Slot()
tpl := MustParseTemplate(`{{slot "foo" "span"}}`).New(s)
if exp, got := `<span id='test-foo'></span>`, testutils.Render(s.Node()); exp != got {
t.Errorf("Expected %q, got %q", exp, got)
}
tpl.Slot("foo").Set("bar")
if pub.Last("test-foo") != "bar" {
t.Errorf("Expected update with content 'bar'; published:\n%s", pub.Dump())
}
if exp, got := `<span id='test-foo'>bar</span>`, testutils.Render(s.Node()); exp != got {
t.Errorf("Expected %q, got %q", exp, got)
}
}
func TestPageUpdates(t *testing.T) {
pub := testutils.NewPublisher()
s := core.NewTree("test", pub).Slot()
page := NewPage(s)
page.SetTitle("foo")
if pub.Last("test-title") != "foo" {
t.Errorf("Title should have been set to 'foo'; published:\n%s", pub.Dump())
}
page.Body().Set("bar")
if pub.Last("test-body") != "bar" {
t.Errorf("Body should have been set to 'bar'; published:\n%s", pub.Dump())
}
page.CSS("test0").Set("plop")
if pub.Last("test-css_test0") != "plop" {
t.Errorf("CSS should have been set to 'plop'; published:\n%s", pub.Dump())
}
}